I've tested the chain-loop script by looping Antonia with some chains.  Here you can see the problem which comes up where the end of the loop path comes back around to the beginning.

 

Nudity flag because Antonia is wearing only chainloops.  :unsure:

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.